Function runList

cli/command/context/list.go:46–115

(dockerCli command.Cli, opts *listOptions)

}

func runList(dockerCli command.Cli, opts *listOptions) error {
	if opts.format == "" {
		opts.format = formatter.TableFormatKey
	}
	contextMap, err := dockerCli.ContextStore().List()
	if err != nil {
		return err
	}
	var (
		curContext = dockerCli.CurrentContext()
		curFound   bool
		contexts   = make([]*formatter.ClientContext, 0, len(contextMap))
	)
	for _, rawMeta := range contextMap {
		isCurrent := rawMeta.Name == curContext
		if isCurrent {
			curFound = true
		}
		meta, err := command.GetDockerContext(rawMeta)
		if err != nil {
			// Add a stub-entry to the list, including the error-message
			// indicating that the context couldn't be loaded.
			contexts = append(contexts, &formatter.ClientContext{
				Name:    rawMeta.Name,
				Current: isCurrent,
				Error:   err.Error(),
			})
			continue
		}
		var errMsg string
		dockerEndpoint, err := docker.EndpointFromContext(rawMeta)
		if err != nil {
			errMsg = err.Error()
		}
		desc := formatter.ClientContext{
			Name:           rawMeta.Name,
			Current:        isCurrent,
			Description:    meta.Description,
			DockerEndpoint: dockerEndpoint.Host,
			Error:          errMsg,
		}
		contexts = append(contexts, &desc)
	}
	if !curFound {
		// The currently specified context wasn't found. We add a stub-entry
		// to the list, including the error-message indicating that the context
		// wasn't found.
		var errMsg string
		_, err := dockerCli.ContextStore().GetMetadata(curContext)
		if err != nil {
			errMsg = err.Error()
		}
		contexts = append(contexts, &formatter.ClientContext{
			Name:    curContext,
			Current: true,
			Error:   errMsg,
		})
	}